1. A geographical area that lacks comprehensive records, research, or written accounts of its history, culture, geography, or development
The Amazon rainforest contains many poorly documented regions where indigenous peoples still live undisturbed.
A floresta amazônica contém muitas regiões pouco documentadas onde povos indígenas ainda vivem intocados.
2. An area with insufficient historical or scientific documentation making it difficult to study or understand
Archaeologists are excited to explore this poorly documented region of ancient Mesopotamia.
Arqueólogos estão entusiasmados em explorar esta região pouco documentada da antiga Mesopotâmia.